Watch Optigraph (2017) : Full Movie Online Free After my grandfather 's Baek-su (age 99’s birthday party) banquet, asking me to write an autobiography for him. Two years later, he passed away and left his favor as homework to me. I discovered the history of the past that I could not associate with his name. As a filmmaker, I frequently attended burials that were far from my life. I have been living in the United States for a while, and I have often come to think about the country and nationality.